15850215

素因数分解:

$3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{857}}^1$

素因数の和:1008

約数の個数: 32

約数和(自身を含む): 28416960

約数和(自身を除く): 12566745

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 137, 411, 685, 857, 1233, 2055, 2571, 3699, 4285, 6165, 7713, 12855, 18495, 23139, 38565, 115695, 117409, 352227, 587045, 1056681, 1761135, 3170043, 5283405, 15850215]

約数ペア:

[(1, 15850215), (3, 5283405), (5, 3170043), (9, 1761135), (15, 1056681), (27, 587045), (45, 352227), (135, 117409), (137, 115695), (411, 38565), (685, 23139), (857, 18495), (1233, 12855), (2055, 7713), (2571, 6165), (3699, 4285)]